Composition and clinical data (SD) of the study group undergoing pars plana vitrectomy and intravitreal injection of crystalline cortisone, and the control group
| Study group | Control group | |
| Number | 16 | 144 |
| Age (years) | 51.3 (23.8) | 50.8 (20.3) |
| Females/males | 10/6 | 47/97 |
| Right eye/left eye | 10/6 | 80/64 |
| Refractive error (D) | 0.38 (1.50) | −0.76 (4.30) |
| Median; range | 0.00; 0.00 to +6.0 | 0.00; −25.0 to +8.0 |
| Preoperative visual acuity | 0.05 (0.07) | 0.11 (0.18) |
| Median; range | 0.02; LP to 0.25 | 0.03; LP to 1.0 |
| Preoperative IOP (mm Hg) | 16.4 (8.5) | 12.9 (4.4) |